Consolidated Statements of Comprehensive Income (unaudited) (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Statement of Comprehensive Income [Abstract]
Net unrealized (loss) on cashflow hedge	$ (1,173)		$ (2,384)
Net unrealized (loss) on cashflow hedge, deferred tax	(434)		(882)
Portion of loss recognized in other comprehensive income	0	0	0	37
Deferred taxes related to other-than-temporary impairment on available for sale debt securities			0	14
Net unrealized gain (loss) on available for sale debt securities	2,282	(6,174)	5,468	(6,460)
Net unrealized gain (loss) on available for sale debt securities, deferred taxes	844	(2,346)	2,023	(2,455)
Reclassification adjustment for net realized losses included in net income	$ (42)	$ (57)	$ (64)	$ (16)